/Engine/Plugins/Online/OnlineSubsystem/Source/Public/Interfaces/OnlineGameActivityInterface.h
Resets all in-progress and completed activities.
void ResetAllActiveActivities ( const [FUniqueNetId](API\Runtime\CoreOnline\Online\FUniqueNetId) & LocalUserId, const [FOnResetAllActiveActivitiesComplete](API\Plugins\OnlineSubsystem\Interfaces\FOnResetAllActiveActivitiesCompl-) & CompletionDelegate )